package cn.wolfcode.wms.util;

public abstract class StringUtil {
    //空字符串转换成null
    public static String empty2Null(String keyword){

        return hasLength(keyword)?keyword:null;
    }

    public static boolean hasLength(String data){
        if (data != null && !"".equals(data.trim())) {
            return true;
        }
        return false;
    }
}
